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Pharmaceutical compound
25D-NM-NDEAOP Other names 25D-NM-NDECE; 25D-NM-NDEPA; N -Methyl-N -(3-diethylamino-3-oxopropyl)-2,5-dimethoxy-4-methylphenethylamine; N -Methyl-N -(3-diethylamino-3-oxopropyl)-2C-D; N -Methyl-N -(2-diethylcarbamoylethyl)-2,5-dimethoxy-4-methylphenethylamine; N -Methyl-N -(2-diethylcarbamoylethyl)-2C-D; NM-NDEAOP-2C-D; NM-NDECE-2C-D; "Compound 4"
3-[2-(2,5-dimethoxy-4-methylphenyl)ethyl-methylamino]-N ,N -diethylpropanamide
PubChem CID ChemSpider ChEMBL Formula C 19 H 32 N 2 O 3 Molar mass 336.476 g·mol−1 3D model (JSmol )
CCN(CC)C(=O)CCN(C)CCC1=C(C=C(C(=C1)OC)C)OC
InChI=1S/C19H32N2O3/c1-7-21(8-2)19(22)10-12-20(4)11-9-16-14-17(23-5)15(3)13-18(16)24-6/h13-14H,7-12H2,1-6H3
Key:GEVSOPBAZVTJIF-UHFFFAOYSA-N
25D-NM-NDEAOP , or 25D-NM-NDEPA , is a chemical compound of the phenethylamine and 2C families.[ 1] [ 2] [ 3] It is a simplified or partial lysergamide and is a derivative of 2C-D with a lysergic acid diethylamide (LSD)-like N -(3-diethylamino-3-oxopropyl)- substitution .[ 1] [ 2] [ 3]
The compound was assessed and found to inhibit prolactin secretion in rat pituitary glands in vitro at high concentrations, suggesting that it may possess weak dopamine receptor agonist activity.[ 2] [ 1] However, it was subsequently assessed in rats in vivo and, in contrast to LSD, was found to not significantly inhibit prolactin secretion.[ 1] Other possible activities of 25D-NM-NDEAOP, such as serotonin receptor interactions and associated effects, were not evaluated or reported.[ 1] [ 2] [ 3]
The compound is a PEA-NDEPA derivative and is similar in structure to other PEA-NDEPA compounds such as DOM-NDEPA and TMA-2-NDEPA, as well as DOB-NDEPA , DOI-NDEPA , and DOTFM-NDEPA .[ 4] The latter three compounds have been predicted via QSAR modeling to be potent serotonin 5-HT2A receptor agonists .[ 4] A parent compound of 25D-NM-NEAOP is N -(3-diethylamino-3-oxopropyl)-N -methylphenethylamine (N -DEAOP-NMPEA or PEA-NM-NDEPA), which showed weak oxytocic activity in preclinical research .[ 5]
Chemical structures of 25D-NM-NDEAOP (25D-NM-NDEPA), DOM-NDEPA, and LSD . LSD contains the structures of 25D-NM-NDEAOP and DOM-NDEPA except their 2,5-dimethoxy - and 4-methyl - phenyl ring substitutions .
25D-NDEAOP was first described in the scientific literature in 1974.[ 2] [ 1]
Society and culture [ edit ]
25D-NM-NDEAOP may or may not be a controlled substance in Canada under phenethylamine blanket-ban language.[ 6]
^ a b c d e f Rusterholz DB, Barfknecht CF, Clemens JA (January 1976). "Ergoline congeners as potential inhibitors of prolactin release. 2". Journal of Medicinal Chemistry . 19 (1): 99– 102. doi :10.1021/jm00223a016 . PMID 1246056 .
^ a b c d e Barfknecht CF, Rusterholz DB (March 1974). "Inhibition of prolactin by ergoline congeners". Journal of Medicinal Chemistry . 17 (3): 308– 312. doi :10.1021/jm00249a010 . PMID 4811226 .
^ a b c "3-[2-(2,5-dimethoxy-4-methylphenyl)ethyl-methylamino]-N,N-diethylpropanamide" . PubChem . U.S. National Library of Medicine. Retrieved 30 March 2025 .
^ a b Schulze-Alexandru M, Kovar KA, Vedani A (1999). "Quasi-atomistic Receptor Surrogates for the 5-HT2A Receptor: A 3D-QSAR Study on Hallucinogenic Substances" (PDF) . Quantitative Structure-Activity Relationships . 18 (6): 548– 560. doi :10.1002/(SICI)1521-3838(199912)18:6<548::AID-QSAR548>3.0.CO;2-B . ISSN 0931-8771 . Retrieved 1 April 2025 . Table 3. New phenylalkylamine and tryptamine congeners. Cf. also Figure 5. [...] Figure 5. Molecular structures of the new 5-HT2A congeneric ligands. Cf. also Table 3. [...] Table 4. Predicted binding af®nities of new compounds, index by substance classes. [...]
^ Norris PE, Blicke FF (December 1952). "Potential ergot substitutes: esters and amides of beta-amino acids". Journal of the American Pharmaceutical Association . 41 (12): 637– 639. doi :10.1002/jps.3030411204 . PMID 13022416 . Six esters and amides of derivatives of β-alanine which are related to lysergic acid have been prepared and tested for oxytocic activity. None of these products possess a significant oxytocic activity. [...] The purpose of this investigation was to synthesize amides and also esters of compounds (II–V) which represent fragments of the lysergic acid molecule in the hope that some of these products might possess oxytocic activity. Various modified fragments of the lysergic acid molecule have been synthesized previously; it was claimed that some of the compounds are active oxytocics (1—7). [...] Pharmacologic data indicated that none of the esters or amides of compounds II—V which were prepared possess a significant oxytocic action when compared to the clinically used oxytocics. However, the diethylamide of N-methyl-N-[β′-(3-indolyl)-ethyl]-β-alanine (IIIc) appeared to have an oxytocic activity approximately ten times stronger than that of the diethylamide of N-methyl-N-(β′-phenethyl)-β-alanine (IIc).
^ "Controlled Drugs and Substances Act" . Department of Justice Canada . Retrieved 19 January 2026 .
Phenethylamines Amphetamines Phentermines Cathinones Phenylisobutylamines (and further-extended) Catecholamines (and close relatives) Cyclized phenethylamines
Phenylalkylpyrrolidines 2-Benzylpiperidines (phenidates ) Phenylmorpholines (phenmetrazines) Phenyloxazolamines (aminorexes) Isoquinolines andtetrahydroisoquinolines 2-Aminoindanes 2-Aminotetralins Others / unsorted
1-Aminomethylindanes (e.g., 2CB-Ind , AMMI , bromojimscaline , jimscaline )
2-ADN
2-Benzhydrylpyrrolidine
2C-B-5-hemiFLY-α6 (BNAP)
2C-B-PYR
2CBecca
2CB7
2CJP
2CLisaB
2CLisaH
3-Aminochromans (e.g., CT-5126 , 5-MeO-DPAC , robalzotan , ebalzotan )
3-Benzazepines (e.g., fenoldopam , lorcaserin , 7-chlorolorcaserin , SCHEMBL5334361 )
3-Benzhydrylmorpholine
3-Phenylpiperidines (e.g., 3-phenylpiperidine , 3-PPP , OSU-6162 (PNU-96391) , LPH-5 , LPH-48 , 2C-B-3PIP , 2C-B-3PIP-NBOMe , 2C-B-3PIP-POMe , Z3517967757 (Z7757) )
6-AB
AL-1095
Aminochromes (e.g., adrenochrome , adrenolutin )
Benzocyclobutenes (e.g., 2CBCB-NBOMe , bromotomscaline , S33005 , TCB-2 , tomscaline )
Benzoxepins (e.g., BBOX , IBOX , TFMBOX )
Butyltolylquinuclidine
Camfetamine
Clausenamide
Cypenamine (trans -2-phenylcyclopentylamine)
Diphenidine
Diphenylprolinol
Ergolines (e.g., LSD )
Fencamfamin
GYKI-52895
HDMP-29
Ivabradine
Methoxphenidine
Methylmorphenate
Milnacipran
MT-45
2-Naphthylamine
Org 6582
Partial ergolines (e.g., NDTDI , RU-27849 , DEIMDHPCA , DEMPDHPCA , DEMPDHPCA-2C-D , RU-27251 )
PF-592,379
Phenanthrenes (e.g., atherosperminine (atherospermine) )
Phenylcyclopropylamines (e.g., DMCPA , TMT , tranylcypromine )
Phenylmethylpyrrolidines (e.g., APA-01 )
Phenylpiracetams (e.g., phenylpiracetam , MRZ-9547 , RGPU-95 )
Pyridopyrroloquinoxalines (e.g., lumateperone , deulumateperone , IHCH-7079 , IHCH-7086 , IHCH-7113 , ITI-1549 )
Thienopyridines (e.g., SKF-89145 , SKF-89615 , SKF-89626 )
Tolazoline
Tricyclics (e.g., AMDA , AMDH , benzoctamine , dizocilpine , SpAMDA )
ZC-B
Related compounds
2-Furylethylamine
2-Pyrrolylethylamine
3-Pyrrolylethylamine
3-Pyrrolylpropylamine
2-Tetrahydrofurylethylamine
4-Benzylpiperidine
7-AB
Alkylamines (e.g., 1,3-DMBA Tooltip 1,3-dimethylbutylamine , 1,4-DMAA Tooltip 1,4-dimethylamylamine , heptaminol , iproheptine , isometheptene , methylhexanamine/1,3-DMAA , octodrine , oenethyl , tuaminoheptane )
Benzylamines (e.g., benzylamine , α-methylbenzylamine , MDM1EA , ALPHA , M-ALPHA , pargyline )
Benzylpiperazines (e.g., benzylpiperazine , MDBZP , fipexide )
Cyclohexylaminopropanes (e.g., propylhexedrine , norpropylhexedrine )
Cyclopentylaminopropanes (e.g., isocyclamine , cyclopentamine )
Phenoxyethylamines (e.g., 3,4,5-trimethoxyphenoxyethylamine , CT-4719 , ORG-37684 )
Phenylalkenylamines (e.g., phenylbutenamine )
Phenylalkynylamines (e.g., phenylbutynamine )
Phenylpiperazines (e.g., 1-phenylpiperazine , mCPP Tooltip meta-chlorophenylpiperazine , TFMPP Tooltip trifluoromethylphenylpiperazine , oMPP Tooltip ortho-methylphenylpiperazine , pFPP Tooltip para-fluorophenylpiperazine , pMeOPP Tooltip para-methoxyphenylpiperazine )
Phenylpropylamines (e.g., phenylpropylamine , homo-MDA , homo-MDMA )
Thienylaminopropanes (thiopropamines) (e.g., thiopropamine , methiopropamine , thiothinone )
Phenylbutylamines (e.g., 4-Phenylbutylamine , 4-Phenylpentan-1-amine )
Ergolines (incl. lysergines )Clavines (6,8-dimethylergolines)Lysergamides (lysergic acid amides)
Psychedelic lysergamides: 1B-LSD
1BP-LSD
1Bz-LSD
1cP-AL-LAD
1cP-LSD
1cP-MiPLA
1D-AL-LAD
1D-LSD
1DD-LSD
1F-LSD
1Fe-LSD
1H-LSD
1P-AL-LAD
1P-ETH-LAD
1P-LSD
1P-MiPLA
1S-LSD
1SB-LSD (1BS-LSD)
1T-AL-LAD
1T-LSD
1V-LSD
2,3-Dihydro-LSD
AL-LAD
ALA-10 (1-acetyl-LAE)
ALD-52 (1-acetyl-LSD)
BU-LAD
CPM-LAD
CYP-LAD
Diallyllysergamide (DAL)
Dimethyllysergamide (DAM-57)
Diisopropyllysergamide (DiPLA)
Dipropyllysergamide (DPL)
Ergine (lysergic acid amide; LSA; LA-111; lysergamide)
Ergometrine (ergonovine, ergobasine)
ETH-LAD
Ethylcyclopropyllysergamide (EcPLA)
Ethylisopropyllysergamide (EiPLA)
Ethylpropyllysergamide (EPLA; LEP-57)
Ethyltrifluoroethyllysergamide (ETFELA)
IP-LAD
Isoergine (isolysergic acid amide; iso-LSA; iso-LA; isolysergamide)
Isopropyllysergamide (iPLA; LAiP)
Lysergic acid diethylamide (LSD; d -LSD; lysergide)
Lysergic acid ethylamide (LAE-32, LAE)
Lysergic acid hydroxyethylamide (LSH, LAH)
Lysergic acid methylamide (LAM)
Lysergic acid methylethylamide (LME-54)
Lysergic acid morpholide (LSM-775)
Lysergic acid propylamide (LAP)
Lysergic acid pyrrolidide (LPD-824)
Lysergic acid 2-butylamide (LSB)
Lysergic acid 2,4-dimethylazetidide (LA-SS-Az, LSZ, LA-Azetidine)
Lysergic acid 2-pentylamide (2-LSP)
Lysergic acid 3-pentylamide (LSP, 3-LSP)
Methylergometrine (methylergonovine, methylergobasine; Methergine)
Methylisopropyllysergamide (MiPLA)
Methylpropyllysergamide (LAMPA, LMP-55)
Methysergide (1-methylmethylergonovine; UML-491)
MLA-74 (1-methyl-LAE)
MLD-41 (1-methyl-LSD)
MPD-75 (1-methyllysergic acid pyrrolidide)
NBOMe-LAD
OML-632 (1-hydroxymethyl-LSD)
PARGY-LAD
PRO-LAD
TRALA-12 (didehydro-LSD; DDH-LSD)
Ergopeptines (peptide ergolines)Partial ergolines Related compounds Natural sources